1SMA4742HR3G

Product Overview

Use

It is commonly used for voltage regulation and transient suppression in electronic circuits.

Characteristics

Voltage: 12V
Power Dissipation: 1.5W
Package: SMA
Reverse Standoff Voltage: 10.5V
Forward Voltage: 1.5V
Operating Temperature Range: -65°C to +175°C

Packaging/Quantity

The 1SMA4742HR3G is typically available in tape and reel packaging with quantities varying based on supplier specifications.

Specifications

Zener Voltage: 11.4V to 12.6V
Maximum Reverse Leakage Current: 0.1µA
Maximum Zener Impedance: 20Ω
Maximum Surge Current: 40A

Detailed Pin Configuration

The 1SMA4742HR3G has two pins, anode, and cathode, which are denoted by the standard diode symbol.

Functional Features

Precise voltage regulation
Transient voltage suppression
Low reverse leakage current
High surge current capability

Advantages

Reliable voltage regulation
Robust transient protection
Wide operating temperature range
Compact SMA package

Disadvantages

Limited power dissipation capability
Higher cost compared to standard diodes

Working Principles

The 1SMA4742HR3G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

The 1SMA4742HR3G finds applications in various electronic systems such as: - Voltage regulators - Overvoltage protection circuits - Power supplies - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4742HR3G include: - 1N4742A - BZX85C12 - MMSZ5245B

In conclusion, the 1SMA4742HR3G Zener diode offers precise voltage regulation and transient suppression, making it suitable for a wide range of electronic applications. Its compact package and reliable performance make it a popular choice among design engineers.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1SMA4742HR3G dalam solusi teknis

Sure, here are 10 common questions and answers related to the application of 1SMA4742HR3G in technical solutions:

What is the maximum reverse stand-off voltage of 1SMA4742HR3G?
- The maximum reverse stand-off voltage of 1SMA4742HR3G is 42V.
What is the peak pulse power dissipation of 1SMA4742HR3G?
- The peak pulse power dissipation of 1SMA4742HR3G is 400W.
What is the typical junction capacitance of 1SMA4742HR3G?
- The typical junction capacitance of 1SMA4742HR3G is 150pF.
What are the typical applications for 1SMA4742HR3G?
- 1SMA4742HR3G is commonly used in surge protection, voltage clamping, and transient voltage suppression applications.
What is the operating temperature range of 1SMA4742HR3G?
- The operating temperature range of 1SMA4742HR3G is -55°C to +150°C.
What is the forward voltage drop of 1SMA4742HR3G at a specified current?
- The forward voltage drop of 1SMA4742HR3G at a specified current is typically 0.9V at 10A.
What package type does 1SMA4742HR3G come in?
- 1SMA4742HR3G is available in a DO-214AC (SMA) package.
Is 1SMA4742HR3G RoHS compliant?
- Yes, 1SMA4742HR3G is RoHS compliant.
What are the key features of 1SMA4742HR3G?
- Key features of 1SMA4742HR3G include low profile package, excellent clamping capability, and fast response time.
Can 1SMA4742HR3G be used in automotive applications?
- Yes, 1SMA4742HR3G is suitable for use in automotive electronics, such as in-vehicle networks and electronic control units.

I hope these questions and answers are helpful for your technical solutions! If you need further assistance, feel free to ask.